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authorChing Huang <ching2048@areca.com.tw>2018-12-19 11:53:44 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-01-09 05:58:36 +0300
commit7ec7261f66df089beab170441ecb38c5659444ec (patch)
tree47761d9ab4adcacc0f33dbb71b024e2325acfe48 /drivers/scsi/arcmsr
parenta36ade416db7823eb4af9b29729ba3d4a3bb1304 (diff)
downloadlinux-7ec7261f66df089beab170441ecb38c5659444ec.tar.xz
scsi: arcmsr: Add an option of set dma_mask_64 for ACB_ADAPTER_TYPE_A
From Ching Huang <ching2048@areca.com.tw> Add an option of set dma_mask_64 for ACB_ADAPTER_TYPE_A Signed-off-by: Ching Huang <ching2048@areca.com.tw> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 8cc21347a378..45f1374294eb 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -91,6 +91,10 @@ static int cmd_per_lun = ARCMSR_DEFAULT_CMD_PERLUN;
module_param(cmd_per_lun, int, S_IRUGO);
MODULE_PARM_DESC(cmd_per_lun, " device queue depth(1 ~ 128), default is 32");
+static int dma_mask_64 = 0;
+module_param(dma_mask_64, int, S_IRUGO);
+MODULE_PARM_DESC(dma_mask_64, " set DMA mask to 64 bits(0 ~ 1), dma_mask_64=1(64 bits), =0(32 bits)");
+
static int set_date_time = 0;
module_param(set_date_time, int, S_IRUGO);
MODULE_PARM_DESC(set_date_time, " send date, time to iop(0 ~ 1), set_date_time=1(enable), default(=0) is disable");